The state Department of Education has rated a sample of local school systems for compliance with state-mandated guidelines for quality. Is the quality of a school system significantly related to the affluence of the community as measured by per capita income?

Per Capita Income Quality Low High Totals Low 16 8 24 High 9 17 26 Totals 25 25 50

a. Is there a statistically significant relationship between these variables?

b. Compute column percents for the table to determine the pattern of the relationship. Are high- or low-income communities more likely to have high-quality schools?